The A359-2045M1 from AEC Design is a Delay Line with Frequency 1.91 to 2.18 GHz, Center Frequency 2045 MHz, Delay 1190 to 1210 ns, Insertion Loss 31 dB, Operating Temperature -25 to 75 Degree C. Tags: Surface Mount. More details for A359-2045M1 can be seen below.